#include <stdio.h>

void call_function() {
  printf("Hello World!\n");
}

void fun1(int a)
{
	printf("this is function 1 \n");
}

void fun2(int i)
{
	printf("the number you have put in is %d\n",i);
}

void fun3(int a1,int b2,int c3,int d4,int e5,int f6,int g7,int h8)
{
	printf("this is function 3 \n");
}
